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involute

Pronunciation: /ˈɪnvəl(j)uːt/

Definition of involute

adjective

  • 1 formal involved or intricate:the art novel has grown increasingly involute
  • 2 technical curled spirally.
  • Zoology (of a shell) having the whorls wound closely round the axis.
  • Botany (of a leaf or the cap of a fungus) rolled inwards at the edges.

noun

Geometry
  • the locus of a point considered as the end of a taut string being unwound from a given curve in the plane of that curve. Compare with evolute.

Origin:

mid 17th century: from Latin involutus, past participle of involvere (see involve)

involute in other Oxford dictionaries

Definition of involute in the US English dictionary

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